Home / 129,948,378.60-179,410,304.58-83,619,147.56

Finding the Fourth Proportional to 129,948,378.60, 179,410,304.58 and 83,619,147.56

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Solution

The fourth proportional to 129,948,378.60, 179,410,304.58 and 83,619,147.56 is: 115,446,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948,378.60 : 179,410,304.58 = 83,619,147.56 : x
  2. Step 2: Convert to fraction form
    129,948,378.60/179,410,304.58 = 83,619,147.56/x
  3. Step 3: Cross multiply
    129,948,378.60x = 179,410,304.58 × 83,619,147.56
  4. Step 4: Simplify right side
    129,948,378.60x = 15,002,136,732,459,566
  5. Step 5: Solve for x
    x = 15,002,136,732,459,566/129,948,378.60
  6. Step 6: Final answer
    x = 115,446,894.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.